Visible migration is one of the
most interesting aspects of
birdwatching im Gullfjell and the best place to observe it is around
the "Redningshytten". There are a number of difficulties: an early
start is essential – in mid September birds start passing
shortly
after 0700, it takes 45 minutes to walk up from the car park (or 1.5
hours from my old house) which means getting out of bed VERY
early. The walk up gets one nice and warm, however, after an hour or
two of standing / sitting at the lookout point it feels extremely
cold. Exactly where one is positioned is critical to get the
best
views, or the most birds and this depends very much on the weather.

The observation of
visible migration on Gullfjell can be a rather
"hit and miss" affair - it is all but impossible to know what level the
cloud cover starts at before setting off - and once on the way there is
no turning back. With cloud cover below 600m there will be no visible
passage from the lookout point - although the slopes may hold thousands
of birds in the bushes.

Birds observed are broad
front diurnal migrants, although due to climate and topography they
appear to be "funnelled" into a fairly narrow corridor.

Under the right
conditions the migration can be spectacular, with a
"sea" of birds filling the skies around the lookout point. Birds come
at high speed, whipping past ones ears and on a number of occasions
birds such as Ring Ouzel have even landed briefy on my boots,
telescope and even my head!

Weather

The weather is the deciding
factor when it comes to observing visible migration, wind direction,
cloud level and the amount of rain all play a role. A rule of
thumb is that the stronger the wind the lower the birds fly (and thus
the observer must be lower in order to see them). For best observation
(but not best for the birds themselves!) there should be a headwind.

Rain tends to put a stop to
passage, though light drizzle or showers may have little effect.

There is a lot to learn about
this; conditions which appear ideal
can produce no birds and visa versa. It seems as if there is a
"reservoir" of birds which empties during certain conditions and then
fills up again. It is extremely rare to have two days in a row with
heavy passage.

Timing

Generally
speaking passage occurs
during the first few hours after dawn, but depending on the weather and
how late it is in the season it can continue well into the afternoon.
However, having the time, patience and stamina to do this is
not always possible.

SpeciesThe species seen are for the most part Meadow
Pipit,
Fieldfare, Redwing, Blackbird, Chaffinch,
Siskinand
Brambling. Other species regularly noted are Sparrowhawk, White
Wagtail,
Ring Ousel, Dunnock, Snipe, Bullfinch and
Great tit. Other birds can also be seen, these have
included Greylag
goose, Cormorant, Goshawk, Peregrine Falcon, Golden Plover, and Reed
Bunting.

Other species that are not migrating are
relatively few and far between (at the lookout point), but include Raven,
Kestrel,
Rough-legged buzzard and Ptarmigan
(usually seen when flushed by hunters on
the slopes above the observation point).

The mixture of species seen depends on
the
time of year, with wagtails and pipits tailing off into October when
the highest number of thrushes can be seen .

Interpretation of
resultsCounts cannot be
directly compared due to the fact they are of wildly differing lengths.